{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005938},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002765","490:4900005680","490:4900005547","491:4910002016","490:4900007416","491:4910001867","490:4900003114","490:4900004069","490:4900006306","491:4910002416","491:4910002467","497:4970000327","490:4900002216","490:4900002666","491:4910004803","491:4910002260","491:4910002210","490:4900006192","490:4900006426","490:4900011218","491:4910002866","490:4900003910","491:4910001920","490:4900005284","490:4900003911"],"twin_admin_codes":[491,490,490,491,490,491,490,490,490,491,491,497,490,490,491,491,491,490,490,490,491,490,491,490,490],"twin_sims":[0.2102782253059808,0.15779670822329814,0.10381061158210413,0.03526853089732985,0.0283324083868795,0.01889341796533045,0.018314465833149336,0.017316719094793365,0.017211239861299268,0.01551627423436841,0.014704998155734207,0.014534636945265796,0.01295965375557324,0.010569916487970498,0.010512955943871426,0.009297608500125659,0.009246536296804355,0.00841927829666917,0.008348191637444363,0.008207821124482683,0.008134940124333745,0.007158030154038049,0.007085529550717992,0.006873897729666573,0.0068295202483144414],"twin_dists":[0.22935435437361587,0.2495786050925512,0.2764336334258243,0.33590896618336064,0.34673077918730555,0.3659116208432197,0.36734346364609277,0.36990674560931336,0.37018524188425794,0.37487932091283693,0.37728785936122167,0.3778084651709486,0.382894760168661,0.3917710087491878,0.3920035831484714,0.3972545340911253,0.3974883423901188,0.4014458498014392,0.4018019574530179,0.4025131905805182,0.4028867742159511,0.40820774276530775,0.40862817856283756,0.40987795516516706,0.410144406102246],"n_dims_used":44,"mean_confidence":0.8933087262240323},"coverage":{"mean_confidence":0.8933087262240323,"n_dims_used":44,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}